Insertable popcorn buttering apparatus



FIG. 1 is a perspective view of an insertable popcorn buttering apparatus, as shown and described;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for an insertable popcorn buttering apparatus, as shown. 